<#list page.list as a>
        <style>
    html{
    filter: grayscale(100%);
    -webkit-filter: grayscale(100%);
    -moz-filter: grayscale(100%);
    -ms-filter: grayscale(100%);
    -o-filter: grayscale(100%);
    filter:url("data:image/svg+xml;utf8,<svg xmlns=\'http://www.w3.org/2000/svg\'><filter id=\'grayscale\'><feColorMatrix type=\'matrix\' values=\'0.3333 0.3333 0.3333 0 0 0.3333 0.3333 0.3333 0 0 0.3333 0.3333 0.3333 0 0 0 0 0 1 0\'/></filter></svg>#grayscale");
    filter:progid:DXImageTransform.Microsoft.BasicImage(grayscale=1);
    -webkit-filter: grayscale(1);
    }
        </style>
        <script src="${site.sitePath}assets/js/grayscale.js"></script>
        <script>
            var a = navigator.userAgent.toLowerCase();
            if(a.indexOf("msie 10.0") !== -1 || a.indexOf("rv:11.0") !== -1) {
                grayscale(document.getElementById('body'));
            }
        </script>
</#list>
